Copy big courses with igbinary - applying patch see #4443 provded by Ludovic Gasc

main/coursecopy/classes/Course.class.php

@@ -320,4 +320,26 @@ class Course
 		}
 		$this->encoding = api_get_system_encoding();
 	}
+    
+    /**	
+	* Serialize the course with the best serializer available	
+	*/	
+	public static function serialize($course) {	
+		if (extension_loaded('igbinary')) {	
+			return igbinary_serialize($course);	
+		} else {	
+			return serialize($course);
+        }	
+	}	
+	
+	/**
+	* Unserialize the course with the best serializer available
+	*/
+	public static function unserialize($course) {
+		if (extension_loaded('igbinary')) {
+			return igbinary_unserialize($course);
+		} else {
+			return unserialize($course);
+		}
+	}
 }

main/coursecopy/classes/CourseSelectForm.class.php

@@ -153,7 +153,7 @@ class CourseSelectForm
 			$course->resources['document']= null;
 		}
 
-		echo '<input type="hidden" name="course" value="'.base64_encode(serialize($course)).'"/>';
+		echo '<input type="hidden" name="course" value="'.base64_encode(Course::serialize($course)).'"/>';
 
 		if (is_array($hidden_fields)) {
 			foreach ($hidden_fields as $key => $value) {
@@ -218,7 +218,7 @@ class CourseSelectForm
 	 * in the form given by display_form(...)
 	 */
 	function get_posted_course($from='', $session_id = 0, $course_code = '') {
-		$course = unserialize(base64_decode($_POST['course']));
+		$course = Course::unserialize(base64_decode($_POST['course']));
 
 		//Create the resource DOCUMENT objects
 		//Loading the results from the checkboxes of the javascript
@@ -432,7 +432,7 @@ class CourseSelectForm
 			// this is a known issue of serialize
 			$course->resources['document']= null;
 		}
-		echo '<input type="hidden" name="course" value="'.base64_encode(serialize($course)).'"/>';
+		echo '<input type="hidden" name="course" value="'.base64_encode(Course::serialize($course)).'"/>';
 		if (is_array($hidden_fields)) {
 			foreach ($hidden_fields as $key => $value) {
 				echo "\n";